Cat tree tower



FIG. 1 is a front perspective view of a cat tree tower showing my newdesign;

FIG. 2 is rear perspective view thereof;

FIG. 3 is a left-side perspective view thereof;

FIG. 4 is a right-side perspective view thereof;

FIG. 5 is a top perspective view thereof; and,

FIG. 6 is a top, rear and left side perspective view thereof.

The broken lines in the drawings illustrate the portions of the cat treetower, which form no part of the claimed design.

CLAIM The ornamental design for a cat tree tower, substantially as shownand described.